mgjs_htmlmetaelement.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"

#include <../misc/htmlattrs.h>		
#include <html_headimpl.h>
static JSBool GetHTMLMetaElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetHTMLMetaElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
		
enum HTMLMetaElement_slots {
  HTMLMETAELEMENT_CONTENT ,
  HTMLMETAELEMENT_HTTPEQUIV ,
  HTMLMETAELEMENT_NAME ,
  HTMLMETAELEMENT_SCHEME ,
};

static JSBool GetHTMLMetaElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSMetaPrivate *mMetaPrivate=(myJSMetaPrivate *)JS_GetPrivate(cx,obj);
	HTMLMetaElementImpl *impl;
	DOMString dsReturn=(const char*)"";
	// long int lReturn;
	// bool bReturn;
	impl=(HTMLMetaElementImpl *)mMetaPrivate->CurNode;
	if(!impl)return JS_FALSE;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
			case HTMLMETAELEMENT_CONTENT :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_CONTENT);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLMETAELEMENT_HTTPEQUIV :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_HTTP_EQUIV);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLMETAELEMENT_NAME :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_NAME);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLMETAELEMENT_SCHEME :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_SCHEME);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
				
			}
	}
 	return JS_TRUE;
}
static JSBool SetHTMLMetaElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSMetaPrivate *mMetaPrivate=(myJSMetaPrivate *)JS_GetPrivate(cx,obj);
	HTMLMetaElementImpl *impl;
	DOMString dsValue;
	// bool bValue;long int lValue;
	impl=(HTMLMetaElementImpl *)mMetaPrivate->CurNode;
	if(!impl)return JS_FALSE;
	JSString *jss;
    if (!(jss = JS_ValueToString (cx,*vp)))return JS_FALSE;
  	dsValue = (const char*)JS_GetStringBytes (jss);

	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
			case HTMLMETAELEMENT_CONTENT :
				((ElementImpl *)impl)->setAttribute(ATTR_CONTENT,dsValue);
				break;
			case HTMLMETAELEMENT_HTTPEQUIV :
				((ElementImpl *)impl)->setAttribute(ATTR_HTTP_EQUIV,dsValue);
				break;
			case HTMLMETAELEMENT_NAME :
				((ElementImpl *)impl)->setAttribute(ATTR_NAME,dsValue);
				break;
			case HTMLMETAELEMENT_SCHEME :
				((ElementImpl *)impl)->setAttribute(ATTR_SCHEME,dsValue);
				break;

		}
	}
	return JS_TRUE;
}

static JSPropertySpec HTMLMetaElementProperties[] =
{
  {"content",    HTMLMETAELEMENT_CONTENT,    JSPROP_ENUMERATE},
  {"httpEquiv",    HTMLMETAELEMENT_HTTPEQUIV,    JSPROP_ENUMERATE},
  {"name",    HTMLMETAELEMENT_NAME,    JSPROP_ENUMERATE},
  {"scheme",    HTMLMETAELEMENT_SCHEME,    JSPROP_ENUMERATE},
  {0}
};
JSClass HTMLMetaElementClass = {
  "HTMLMetaElement", 
  JSCLASS_HAS_PRIVATE,
  JS_PropertyStub,
  JS_PropertyStub,
  GetHTMLMetaElementProperty,
  SetHTMLMetaElementProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
			
};

static JSFunctionSpec HTMLMetaElementMethods[] = 
{
  {0}
};

JSObject* InitHTMLMetaElementClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *obj;
	obj = JS_DefineObject (cx,globalObj, "HtmlMetaElement", &HTMLMetaElementClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,obj,HTMLMetaElementProperties);
    JS_DefineFunctions (cx,obj,HTMLMetaElementMethods);
	return obj;
}
JSObject* NewScriptHTMLMetaElement(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "HtmlMetaElement", &vp) && JSVAL_IS_OBJECT(vp)))
				obj=JS_NewObject(cx,&HTMLMetaElementClass,JSVAL_TO_OBJECT(vp),NULL);
	else
				obj=InitHTMLMetaElementClass(cx,JS_GetParent(cx,proto),proto);
	myJSMetaPrivate *mMetaPrivate=new myJSMetaPrivate;
	mMetaPrivate->CurNode=(ElementImpl*)eImpl;	
	JS_SetPrivate(cx,obj,(void*)mMetaPrivate);
	return obj;
}